Scott Disick was acting a bit out of character during a recent stroll through Miami with longtime girlfriend Kourtney Kardashian — and it wasn't just his laid-back style either.

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The reality show star displayed an unusual moment of public affection toward the mother of his two children Tuesday as they enjoyed some time for themselves during a shoot for "Kourtney & Kim Take Miami."

Disick, 29, sported a beard and baseball cap, ditching his designer duds and pocket squares for a T-shirt and sweatpants as he hugged Kourtney, 33, from behind.

The couple have been together for five years and are parents to son Mason, 2, and daughter Penelope, 2 months.

Scott Disick and son Mason having a blast on the beach. Amid rumors of trouble between Disick and Kourtney Kardashian, all seems right in Miami. (JCFL / Splash News/JCFL / Splash News)

Their unabashed PDA comes in response to recent rumors that there is trouble brewing in the longtime couple's relationship.

Earlier this month, Disick headed to Toronto to host a party at Tryst nightclub, and sources tell Life & Style magazine that the now-bearded reality TV star was living it up with several women at the club.

"Scott asked for the Tryst waitresses' contact info so that he could invite them to his room the night before (his club appearance)," a source told the magazine. "The girls arrived around 11 p.m. and partied with Scott and his business partner until security asked them to shut it down around 2 a.m. due to noise."

Eyewitnesses also claimed that Disick was chain-smoking and drinking Heineken beer at a rapid pace during his hosting gig, later inviting more women back to his hotel room with his pals.

Scott Disick and son Mason frolic in Miami, where he and Kourtney Kardashian enjoyed some family time together. (MCCFL / Splash News/MCCFL / Splash News)

"He began throwing back Heinekens like they were going out of style," a fellow partygoer told the magazine.

A recent tabloid report also claimed that Kourtney had kicked Disick out of their Calabasas, Calif., home.

But amid all the rumors surrounding their marriage, Kourtney's family has remained steadfastly behind her and her man.

"They are better than ever," Kim told Us Weekly. "I feel bad Scott gets such a bad rap. Good thing they're too busy being parents to pay attention to the nonsense!"